diff --git a/web-v2/src/lib/inventoryBrowserApi.ts b/web-v2/src/lib/inventoryBrowserApi.ts
new file mode 100644
index 0000000..701b5b7
--- /dev/null
+++ b/web-v2/src/lib/inventoryBrowserApi.ts
@@ -0,0 +1,61 @@
+import { apiRequest } from './api';
+import type { AssetInformationStatus, AssetOperationalStatus } from './api';
+
+export interface InventoryBrowserArea {
+  id: string;
+  code: string;
+  name: string;
+  commonName: string | null;
+  type: { id: string; code: string; name: string };
+  informationStatus: AssetInformationStatus;
+  operationalStatus: AssetOperationalStatus;
+  currentOperator: { id: string; code: string; name: string } | null;
+  yacimientoCount: number;
+  inventoryCount: number;
+}
+
+export interface InventoryBrowserItem {
+  id: string;
+  code: string;
+  name: string;
+  commonName: string | null;
+  type: { id: string; code: string; name: string };
+  parent: { id: string; code: string; name: string } | null;
+  informationStatus: AssetInformationStatus;
+  operationalStatus: AssetOperationalStatus;
+  isInventoryInstance: boolean;
+  inventoryFamily: { id: string; code: string; name: string; level: string } | null;
+  childrenCount: number;
+  hasGeometry: boolean;
+  updatedAt: string;
+}
+
+export interface InventoryBrowserParent {
+  id: string;
+  code: string;
+  name: string;
+  typeCode: string;
+}
+
+export function listInventoryAreas(params: { search?: string; operatorCompanyId?: string } = {}) {
+  const query = new URLSearchParams();
+  if (params.search?.trim()) query.set('search', params.search.trim());
+  if (params.operatorCompanyId) query.set('operatorCompanyId', params.operatorCompanyId);
+  const suffix = query.size ? `?${query}` : '';
+  return apiRequest<{ data: InventoryBrowserArea[]; meta: { count: number } }>(`/inventory-browser/areas${suffix}`);
+}
+
+export function listInventoryChildren(
+  parentId: string,
+  params: { search?: string; operatorCompanyId?: string } = {},
+) {
+  const query = new URLSearchParams();
+  if (params.search?.trim()) query.set('search', params.search.trim());
+  if (params.operatorCompanyId) query.set('operatorCompanyId', params.operatorCompanyId);
+  const suffix = query.size ? `?${query}` : '';
+  return apiRequest<{
+    parent: InventoryBrowserParent;
+    data: InventoryBrowserItem[];
+    meta: { count: number; hasMore: boolean };
+  }>(`/inventory-browser/${parentId}/children${suffix}`);
+}